
import {
	Blob,
	btoa,
	createImageBitmap,
	CSSStyleDeclaration,
	performance,
	document,
	DOMParser,
	EventTarget,
	fetch,
	Headers,
	HTMLCanvasElement,
	Image,
	HTMLImageElement,
	ImageBitmap,
	location,
	navigator,
	Request,
	requestAnimationFrame,
	cancelAnimationFrame,
	Response,
	URL,
	window,
	self,
	WebAssembly,
	Worker,
	XMLHttpRequest,
	ImageData,
	TextDecoder,
	core
	} from 'dhtml-weixin';
import Node from '../core/Node.js';
import { addNodeClass } from '../core/Node.js';
import { nodeImmutable } from '../shadernode/ShaderNode.js';
import { reference } from './ReferenceNode.js';

class SceneNode extends Node {

	constructor( scope = SceneNode.BACKGROUND_BLURRINESS, scene = null ) {

		super();

		this.scope = scope;
		this.scene = scene;

	}

	setup( builder ) {

		const scope = this.scope;
		const scene = this.scene !== null ? this.scene : builder.scene;

		let output;

		if ( scope === SceneNode.BACKGROUND_BLURRINESS ) {

			output = reference( 'backgroundBlurriness', 'float', scene );

		} else if ( scope === SceneNode.BACKGROUND_INTENSITY ) {

			output = reference( 'backgroundIntensity', 'float', scene );

		} else {

			console.error( 'THREE.SceneNode: Unknown scope:', scope );

		}

		return output;

	}

}

SceneNode.BACKGROUND_BLURRINESS = 'backgroundBlurriness';
SceneNode.BACKGROUND_INTENSITY = 'backgroundIntensity';

export default SceneNode;

export const backgroundBlurriness = nodeImmutable( SceneNode, SceneNode.BACKGROUND_BLURRINESS );
export const backgroundIntensity = nodeImmutable( SceneNode, SceneNode.BACKGROUND_INTENSITY );

addNodeClass( 'SceneNode', SceneNode );
